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freetdm: ftmod_analog_em: If the destination number DTMF was already generated, do not generate it again 

This bug was cause when answer-supervision is used because now we do not move from DIALING to UP
         as soon as the line is ringing, but instead we wait for the CAS bit change
This commit is contained in:
Moises Silva 2012-12-20 12:11:11 -05:00
parent 84be20d770
commit 56846c02c6
1 changed files with 4 additions and 1 deletions
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5
libs/freetdm/src/ftmod/ftmod_analog_em/ftmod_analog_em.c
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@ -239,6 +239,7 @@ static void *ftdm_analog_em_channel_run(ftdm_thread_t *me, void *obj)
int cas_bits = 0;
uint32_t cas_answer = 0;
int cas_answer_ms = 500;
ftdm_bool_t digits_sent = FTDM_FALSE;
ftdm_log(FTDM_LOG_DEBUG, "ANALOG EM CHANNEL thread starting.\n");
@ -291,7 +292,8 @@ static void *ftdm_analog_em_channel_run(ftdm_thread_t *me, void *obj)
case FTDM_CHANNEL_STATE_DIALING:
{
if (! ftdmchan->needed_tones[FTDM_TONEMAP_RING]
&& ftdm_test_flag(ftdmchan, FTDM_CHANNEL_WINK)) {
&& ftdm_test_flag(ftdmchan, FTDM_CHANNEL_WINK)
&& !digits_sent) {
if (ftdm_strlen_zero(ftdmchan->caller_data.dnis.digits)) {
ftdm_log(FTDM_LOG_ERROR, "No Digits to send!\n");
ftdm_set_state_locked(ftdmchan, FTDM_CHANNEL_STATE_BUSY);
@ -301,6 +303,7 @@ static void *ftdm_analog_em_channel_run(ftdm_thread_t *me, void *obj)
ftdm_set_state_locked(ftdmchan, FTDM_CHANNEL_STATE_BUSY);
} else {
state_counter = 0;
digits_sent = FTDM_TRUE;
ftdmchan->needed_tones[FTDM_TONEMAP_RING] = 1;
ftdmchan->needed_tones[FTDM_TONEMAP_BUSY] = 1;
ftdmchan->needed_tones[FTDM_TONEMAP_FAIL1] = 1;